Mechanical digitizing arm used to input three dimensional data into a computer



FIG. 1 is a left side elevational view of a mechanical digitizing arm used to input three dimensional data into a computer in a rest position in accordance with the present design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view of the present design in a partially extended position. 

The ornamental design for a mechanical digitizing arm used to input three dimensional data into a computer, as shown and described. 